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Problem – Sudden failures of civil infrastructure systems Approaches to the problem –

題. Synthetic Aperture Radar Imaging for the Distant Inspection of Multi-layer GFRP-concrete Structures. 題目:. 講者:. Tzu-Yang Yu Assistant Professor, Ph.D. 時地:. October 26 th , 2011 土木館五樓.

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Problem – Sudden failures of civil infrastructure systems Approaches to the problem –

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  1. Synthetic Aperture Radar Imaging for the Distant Inspection of Multi-layer GFRP-concrete Structures 題目: 講者: Tzu-Yang YuAssistant Professor, Ph.D. 時地: October 26th, 2011 土木館五樓 • In addition to the I-35W bridge, there are approximately 75,000 other U.S. bridges also rated as “structurally deficient” in 2007. • Structurally deficient: “The structure is deemed to have met minimum tolerable limits to be left in place as it is.”  Are these 75,000 structurally deficient bridges safe? How do we know?  We need reliable (inspection results are creditable), efficient (inspection can be accomplished in time) condition assessment technologies for this challenging problem. • Significant impacts – EX: I-35 Highway Bridge Collapse, Minneapolis, MN (6:05pm, Wed., Aug. 1, 2007): Introduction: Problem – Sudden failures of civil infrastructure systems Approaches to the problem – 壹、Review of NDT in Civil Eng Condition assessment of structures: Current distant NDT methods provide only the surface profile of structures, while some near-field NDT methods can conduct in-depth inspection of structures. Method and Features: Strengthening and repair of structures: 貳、Condition assessment of structures and Strengthening and repair of structures: 感謝 Tzu-Yang YuAssistant Professor, Ph.D. 蒞臨師生謹致誠摯謝意

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